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      1 /*
      2  * [The "BSD licence"]
      3  * Copyright (c) 2010 Ben Gruver (JesusFreke)
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 package org.jf.dexlib.Debug;
     30 
     31 public enum DebugOpcode {
     32     DBG_END_SEQUENCE((byte)0x00),
     33     DBG_ADVANCE_PC((byte)0x01),
     34     DBG_ADVANCE_LINE((byte)0x02),
     35     DBG_START_LOCAL((byte)0x03),
     36     DBG_START_LOCAL_EXTENDED((byte)0x04),
     37     DBG_END_LOCAL((byte)0x05),
     38     DBG_RESTART_LOCAL((byte)0x06),
     39     DBG_SET_PROLOGUE_END((byte)0x07),
     40     DBG_SET_EPILOGUE_BEGIN((byte)0x08),
     41     DBG_SET_FILE((byte)0x09),
     42     DBG_SPECIAL_OPCODE((byte)0x0A);
     43 
     44     private static DebugOpcode[] opcodesByValue;
     45 
     46     static {
     47         opcodesByValue = new DebugOpcode[11];
     48 
     49         for (DebugOpcode debugOpcode: DebugOpcode.values()) {
     50             opcodesByValue[debugOpcode.value & 0xFF] = debugOpcode;
     51         }
     52     }
     53 
     54     public static DebugOpcode getDebugOpcodeByValue(byte debugOpcodeValue) {
     55         debugOpcodeValue = (byte)Math.min(debugOpcodeValue & 0xFF, 0x0A);
     56         return opcodesByValue[debugOpcodeValue];
     57     }
     58 
     59     public final byte value;
     60 
     61     DebugOpcode(byte value) {
     62         this.value = value;
     63     }
     64 }
     65